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GMC Sierra 2500 HD MPG

2,043 GMC Sierra 2500 HDs have provided 32.4 million miles of real world fuel economy & MPG data.
Click here to view only the GMC Sierra 2500 HDs with MPG currently participating in our fuel tracking program.

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Recording mileage without a phone or pen

When fueling up my motorcycle, I use the tip of my key to wr... ...

by Fox

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